mature_miRNA miRNA* pre-miRNA EST_contig mismatches bulges arm species source_database RFAM_best_hit RFAM_lowest_evalue miRBase_best_hit miRBase_lowest_evalue folding_energy secondary_structure TCTTCCCTACTCCGCCCAT GGGCGGGTGGGGAAGATA ATGGGCGGGTGGGGAAGATAACTTTTATTAATTTGTGTCTTCCCTACTCCGCCCAT 0 1 3' arm Juglans_hindsii_x_Juglans_regia micropc 100 100 -33.8 ((((((((((((((((((((...((....))....)))))))))))).)))))))) (-33.80)